-7(1+4k)=-231

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Solution for -7(1+4k)=-231 equation: 


Simplifying
-7(1 + 4k) = -231
(1 * -7 + 4k * -7) = -231
(-7 + -28k) = -231

Solving
-7 + -28k = -231

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + -28k = -231 + 7

Combine like terms: -7 + 7 = 0
0 + -28k = -231 + 7
-28k = -231 + 7

Combine like terms: -231 + 7 = -224
-28k = -224

Divide each side by '-28'.
k = 8

Simplifying
k = 8

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